All symbols starting with `b' in src/od-beos

• BApplication src/od-beos/beos.cpp:220
• bitmap_view src/od-beos/beos.cpp:130
• bitmap_window src/od-beos/beos.cpp:150
• buf_num src/od-beos/beos.cpp:872
• button src/od-beos/beos.cpp:793
• BView src/od-beos/beos.cpp:525